Add ability to detect ISBN from filenames

src/calibre/ebooks/metadata/meta.py

@@ -133,6 +133,11 @@ def metadata_from_filename(name, pat=None):
             mi.series_index = int(si)
         except IndexError, ValueError:
             pass
+        try:
+            si = match.group('isbn')
+            mi.isbn = si
+        except IndexError, ValueError:
+            pass
     if not mi.title:
         mi.title = name
     return mi

src/calibre/gui2/filename_pattern.ui

@@ -5,8 +5,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>349</width>
+    <width>335</width>
-    <height>441</height>
+    <height>487</height>
    </rect>
   </property>
   <property name="windowTitle" >
@@ -39,6 +39,8 @@
        <widget class="QLineEdit" name="re" />
       </item>
      </layout>
+     <zorder>re</zorder>
+     <zorder>label</zorder>
     </widget>
    </item>
    <item>
@@ -46,7 +48,7 @@
      <property name="title" >
       <string>&amp;Test</string>
      </property>
-     <layout class="QVBoxLayout" >
+     <layout class="QVBoxLayout" name="verticalLayout" >
       <item>
        <layout class="QHBoxLayout" >
         <item>
@@ -76,7 +78,7 @@
        </layout>
       </item>
       <item>
-       <layout class="QGridLayout" >
+       <layout class="QGridLayout" name="gridLayout" >
         <item row="0" column="0" >
          <widget class="QLabel" name="label_3" >
           <property name="text" >
@@ -84,7 +86,7 @@
           </property>
          </widget>
         </item>
-        <item row="0" column="1" >
+        <item row="0" column="1" colspan="2" >
          <widget class="QLineEdit" name="title" >
           <property name="toolTip" >
            <string>Regular expression group name (?P&lt;title>)</string>
@@ -104,7 +106,7 @@
           </property>
          </widget>
         </item>
-        <item row="1" column="1" >
+        <item row="1" column="1" colspan="2" >
          <widget class="QLineEdit" name="authors" >
           <property name="toolTip" >
            <string>Regular expression group name (?P&lt;authors>)</string>
@@ -124,7 +126,7 @@
           </property>
          </widget>
         </item>
-        <item row="2" column="1" >
+        <item row="2" column="1" colspan="2" >
          <widget class="QLineEdit" name="series" >
           <property name="toolTip" >
            <string>Regular expression group name (?P&lt;series>)</string>
@@ -137,14 +139,14 @@
           </property>
          </widget>
         </item>
-        <item row="3" column="0" >
+        <item rowspan="2" row="3" column="0" >
          <widget class="QLabel" name="label_6" >
           <property name="text" >
            <string>Series index:</string>
           </property>
          </widget>
         </item>
-        <item row="3" column="1" >
+        <item rowspan="2" row="3" column="1" colspan="2" >
          <widget class="QLineEdit" name="series_index" >
           <property name="toolTip" >
            <string>Regular expression group name (?P&lt;series_index>)</string>
@@ -157,6 +159,26 @@
           </property>
          </widget>
         </item>
+        <item row="5" column="0" >
+         <widget class="QLabel" name="label_7" >
+          <property name="text" >
+           <string>ISBN:</string>
+          </property>
+         </widget>
+        </item>
+        <item row="5" column="1" >
+         <widget class="QLineEdit" name="isbn" >
+          <property name="toolTip" >
+           <string>Regular expression group name (?P&lt;series_index>)</string>
+          </property>
+          <property name="text" >
+           <string>No match</string>
+          </property>
+          <property name="readOnly" >
+           <bool>true</bool>
+          </property>
+         </widget>
+        </item>
        </layout>
       </item>
      </layout>

src/calibre/gui2/widgets.py

@@ -14,7 +14,8 @@ from PyQt4.QtCore import QAbstractListModel, QVariant, Qt, QRect, SIGNAL, \
 from calibre.gui2.jobs import DetailView
 from calibre.gui2 import human_readable, NONE, TableView, qstring_to_unicode, error_dialog
 from calibre.gui2.filename_pattern_ui import Ui_Form
-from calibre import fit_image, get_font_families, Settings
+from calibre import fit_image, Settings
+from calibre.utils.fontconfig import find_font_families
 from calibre.ebooks.metadata.meta import get_filename_pat, metadata_from_filename, \
                                            set_filename_pat
 
@@ -57,6 +58,9 @@ class FilenamePattern(QWidget, Ui_Form):
         else:
             self.series_index.setText(_('No match'))
             
+        self.isbn.setText(_('No match') if mi.isbn is None else str(mi.isbn))
+            
+    
     def pattern(self):
         pat = qstring_to_unicode(self.re.text())
         return re.compile(pat)
@@ -236,8 +240,7 @@ class FontFamilyModel(QAbstractListModel):
     
     def __init__(self, *args):
         QAbstractListModel.__init__(self, *args)
-        self.family_map = get_font_families()
+        self.families = find_font_families()
-        self.families = self.family_map.keys()
         self.families.sort()
         self.families[:0] = ['None']
         
@@ -257,11 +260,6 @@ class FontFamilyModel(QAbstractListModel):
             return QVariant(QFont(family))
         return NONE
     
-    def path_of(self, family):
-        if family != None:
-            return self.family_map[family]
-        return None
-    
     def index_of(self, family):
         return self.families.index(family.strip())